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* move std.atomic.Atomic to std.atomic.Value
* fix incorrect argument order passed to testing.expectEqual
* make the functions be a thin wrapper over the atomic builtins and
stick to the naming conventions.
* remove pointless functions loadUnchecked and storeUnchecked. Instead,
name the field `raw` instead of `value` (which is redundant with the
type name).
* simplify the tests by not passing every possible combination. Many
cases were iterating over every possible combinations but then not
even using the for loop element value!
* remove the redundant compile errors which are already implemented by
the language itself.
* remove dead x86 inline assembly. this should be implemented in the
language if at all.
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* remove `std.atomic.Ordering`
- it is provided by the language with `std.builtin.AtomicOrder`.
* remove `std.atomic.fence`
- it is provided by the language with `@fence`.
* remove `std.atomic.compilerFence`
- if this is desired, it should be a language feature, not a standard
library function with inline asm.
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In general, I don't like the idea of std.meta.trait, and so I am
providing some guidance by deleting the entire namespace from the
standard library and compiler codebase.
My main criticism is that it's overcomplicated machinery that bloats
compile times and is ultimately unnecessary given the existence of Zig's
strong type system and reference traces.
Users who want this can create a third party package that provides this
functionality.
closes #18051
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This reverts commit 6f0198cadbe29294f2bf3153a27beebd64377566.
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This reverts commit 0c99ba1eab63865592bb084feb271cd4e4b0357e, reversing
changes made to 5f92b070bf284f1493b1b5d433dd3adde2f46727.
This caused a CI failure when it landed in master branch due to a
128-bit `@byteSwap` in std.mem.
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Currently, the compiler (like @typeName) writes it `fn(...) Type` but
zig fmt writes it `fn (...) Type` (notice the space after `fn`).
This inconsistency is now resolved and function types are consistently
written the zig fmt way. Before this there were more `fn (...) Type`
occurrences than `fn(...) Type` already.
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Most of this migration was performed automatically with `zig fmt`. There
were a few exceptions which I had to manually fix:
* `@alignCast` and `@addrSpaceCast` cannot be automatically rewritten
* `@truncate`'s fixup is incorrect for vectors
* Test cases are not formatted, and their error locations change
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Removed an unnecessary "return switch" on the Atomic.store method
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Signed-off-by: Eric Joldasov <bratishkaerik@getgoogleoff.me>
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Signed-off-by: Eric Joldasov <bratishkaerik@getgoogleoff.me>
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The majority of these are in comments, some in doc comments which might
affect the generated documentation, and a few in parameter names -
nothing that should be breaking, however.
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There are still a few occurrences of "stage1" in the standard library
and self-hosted compiler source, however, these instances need a bit
more careful inspection to ensure no breakage.
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* std: start removing redundant ResetEvents
* src: fix other uses of std.Thread.ResetEvent
* src: add builtin.sanitize_thread for tsan detection
* atomic: add Atomic.fence for proper fencing with tsan
* Thread: remove the other ResetEvent's and rewrite the current one
* Thread: ResetEvent docs
* zig fmt + WaitGroup.reset() fix
* src: fix build issues for ResetEvent + tsan
* Thread: ResetEvent tests
* Thread: ResetEvent module doc
* Atomic: replace llvm *p memory constraint with *m
* panicking: handle spurious wakeups in futex.wait() when waiting for abort()
* zig fmt
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* Thread: minor cleanups
* Thread: rewrite Mutex
* Thread: introduce Futex.Deadline
* Thread: Condition rewrite + cleanup
* Mutex: optimize lock fast path
* Condition: more docs
* Thread: more mutex + condition docs
* Thread: remove broken Condition test
* Thread: zig fmt
* address review comments + fix Thread.DummyMutex in GPA
* Atomic: disable bitRmw x86 inline asm for stage2
* GPA: typo mutex_init
* Thread: remove noalias on stuff
* Thread: comment typos + clarifications
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closes #9388
closes #9321
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We already have a LICENSE file that covers the Zig Standard Library. We
no longer need to remind everyone that the license is MIT in every single
file.
Previously this was introduced to clarify the situation for a fork of
Zig that made Zig's LICENSE file harder to find, and replaced it with
their own license that required annual payments to their company.
However that fork now appears to be dead. So there is no need to
reinforce the copyright notice in every single file.
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* Breaking language change: inline assembly must use string literal
syntax. This is in preparation for inline assembly improvements that
involve more integration with the Zig language. This means we cannot
rely on text substitution.
* Liveness: properly handle inline assembly and function calls with
more than 3 operands.
- More than 35 operands is not yet supported. This is a low priority
to implement.
- This required implementation in codegen.zig as well.
* Liveness: fix bug causing incorrect tomb bits.
* Sema: enable switch expressions that are evaluated at compile-time.
- Runtime switch instructions still need to be reworked in this
branch. There was a TODO left here (by me) with a suggestion to do
some bigger changes as part of the AIR memory reworking. Now that
time has come and I plan to honor the suggestion in a future commit
before merging this branch.
* AIR printing: fix missing ')' on alive instructions.
We're back to "hello world" working for the x86_64 backend.
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- deprecates `std.Thread.spinLoopHint` and moves it to `std.atomic.spinLoopHint`
- added an Atomic(T) generic wrapper type which replaces atomic.Bool and atomic.Int
- in Atomic(T), selectively expose member functions depending on T and include bitwise atomic methods when T is an Integer
- added fence() and compilerFence() to std.atomic
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